diff options
| -rw-r--r-- | README.txt | 35 | ||||
| -rw-r--r-- | dla.s | 17 | ||||
| -rw-r--r-- | dla.xex | bin | 4953 -> 4953 bytes | |||
| -rw-r--r-- | dla2csv.c | 3 |
4 files changed, 39 insertions, 16 deletions
@@ -81,8 +81,11 @@ The bottom line shows a menu, from which you can choose to: - New: Start the program over, so you can enter different settings. -The only way to exit the program (for now) is to press Reset or power -cycle the Atari. +- Quit: Exit the program. You'll be asked "Exit program[y/N]?". + Answering Y here returns you to DOS. N starts the program over. + +You can also exit the program by entering Q at the "How many +particles?" prompt, or pressing the Reset key at any time. Using dla2csv.xex (or just dla2csv) ----------------------------------- @@ -108,18 +111,24 @@ as a percentage. When it's finished, the output CSV file has been written. On the Atari, you can press Ctrl-C during the conversion to abort the process (and delete the partial CSV file). +At the end of conversion, you'll be shown the number of particles. +This includes the seed particles, so e.g. if you used the single-dot +seed and entered 1000 particles, you'll see "1001 particles" here. + Last, you're asked whether to convert another file. Answering N here -will exit the program. On the Atari, you should be returned to the DOS -menu or prompt, but your mileage may vary (it works on DOS 2.0S, at -least). Answering Y (or just pressing Return) starts the whole process -over at the input filename prompt. - -[*] On the Atari, if you don't include a drive specifier (e.g. D: or D2:) - in the filename, drive 1 (D:) is assumed. Also, when you're asked - for the input or output filename, you can enter a number (a single - digit) to see a directory of that drive number. If you're using an - emulator that supports the H: (host drive) device, you can enter 0 - to see the directory of H:. +will exit the program. On the Atari, you'll be returned to the DOS +menu or prompt. Answering Y (or just pressing Return) starts the whole +process over at the input filename prompt. + +[*] If you just press Enter (Return on the Atari) when asked for + a filename, you'll be asked whether you want to exit the program. + + On the Atari, if you don't include a drive specifier (e.g. D: or + D2:) in the filename, drive 1 (D:) is assumed. Also, when you're + asked for the input or output filename, you can enter a number (a + single digit) to see a directory of that drive number. If you're + using an emulator that supports the H: (host drive) device, you + can enter 0 to see the directory of H:. Using dla2img.sh ---------------- @@ -342,8 +342,18 @@ notredo: cmp #'S' ; Save beq saveimage cmp #'N' ; New - bne waitkey ; ignore any other keystroke + bne notnew jmp getargs +notnew: + cmp #'Q' ; Quit + bne waitkey ; ignore any other keystroke, get another + + jsr restore_gr0 ; need the GR.0 screen to show the quit prompt + lda #$7d ; clear screen + jsr printchr + jsr confirm_quit ; this doesn't return if the user says Y + jmp getargs ; if he said N, start over (same as New) + ;;; End of generate() ;;; Subroutine: saveimage @@ -797,10 +807,11 @@ retrymsg: ; printing to a 32-byte buffer (which we told the OS was the ; start of a GR.0 screen, but that was designated "a lie"). menumsg: - .byte " " + .byte " " .byte ' ','S'|$80,"ave" .byte ' ','R'|$80,"edo" - .byte ' ','N'|$80,"ew? " + .byte ' ','N'|$80,"ew" + .byte ' ','Q'|$80,"uit?" .byte 0 exit_prog_msg: Binary files differ@@ -165,6 +165,9 @@ void print_id(void) { the Atari by jumping directly to DOS (do not call the exit stuff from cc65's runtime, do not pass Go, do not collect $200). This seems to work reliably, but I hesistate to document "Press Ctrl-3 to exit"... + + ...and it turns out that on SpartaDOS X, even this doesn't prevent + the atari from locking up if the user presses ^3. Sigh. */ #define exit_eof_stdin() (*(OS.dosvec))() |